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anorthosite
(redirected from anorthositic)

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anorthosite

Type of igneous rock composed predominantly of calcium-rich feldspar. It is considerably less abundant than either basalt or granite, but the complexes in which it occurs are often immense. All anorthosites found on the earth consist of coarse crystals, but some from the moon are finely crystalline.



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In addition, the overlying anorthositic, Middle Unit (MU) contains three PGE enriched zones and hole RP03-01 on the southern boundary of Rooipoort contains the best PGE values in one of these zones intersected to date (Table: 1).
Caledonia Mining Granted Prospecting Right for Grasvally and Will ... by Business Wire
The target is entirely overburden covered and four widely spaced drill holes put down in the anomaly intersected layered gabbroic to anorthositic gabbroic rocks.
Aurora Platinum: More Copper-Nickel-PGM's at Sudbury, Gold in the AEM ... by Business Wire
The TAZ1 zone in Hole IC-01-04 is characterized by highly variable cumulate layers, which include four olivine-bearing cycles and several anorthositic zones.
Idaho Consolidated Metals Corp.; J-M Reef Stratigraphy Intersected In ... by Business Wire
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